Langer's Sudoku Assistant

2
5
6
8
7
4
9
3
1
9
3
8
1
    
      6
       
5
7
    
      6
       
4
7
4
1
   3
      6
       
   3
       
       
9
    
      6
       
5
8
1
6
8
4
2
5
3
9
7
4
5
9
8
7
3
2
1
6
   3
       
       
   3
       
       
7
1
9
6
4
8
5
5
1
9
6
8
2
7
4
3
6
4
2
3
9
7
5
8
1
8
7
3
5
1
4
9
6
2

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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